Shown verbatim: the complete text as captured from the official page posted by the Washington Legislature, fetched 2026-08-29. This is the chaptered version. The official bill page.
CERTIFICATION OF ENROLLMENT
SUBSTITUTE SENATE BILL 6269
Chapter 160, Laws of 2026
69TH LEGISLATURE
2026 REGULAR SESSION
MOTOR FUEL QUALITY ACT—DEFINITION OF MOTOR FUEL
EFFECTIVE DATE: June 11, 2026
Passed by the Senate March 10, 2026
Yeas 49 Nays 0
DENNY HECK
President of the Senate
Passed by the House March 4, 2026
Yeas 94 Nays 0
LAURIE JINKINS
Speaker of the House of Representatives
CERTIFICATE
I, Sarah Bannister, Secretary of the Senate of the State of Washington, do hereby certify that the attached is SUBSTITUTE SENATE BILL 6269 as passed by the Senate and the House of Representatives on the dates hereon set forth.
SARAH BANNISTER
Secretary
Secretary
Approved March 23, 2026 3:42 PM
FILED
March 24, 2026
BOB FERGUSON
Governor of the State of Washington
Secretary of State
State of Washington
SUBSTITUTE SENATE BILL 6269
AS AMENDED BY THE HOUSE
Passed Legislature - 2026 Regular Session
State of Washington
69th Legislature
2026 Regular Session
By Senate Environment, Energy & Technology (originally sponsored by Senators Shewmake and Liias)
READ FIRST TIME 02/04/26.
AN ACT Relating to modernizing the definition of motor fuel in the motor fuel quality act; and amending RCW 19.112.010.
BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF WASHINGTON:
Sec. 1. RCW 19.112.010 and 2009 c 132 s 1 are each amended to read as follows:
The definitions in this section apply throughout this chapter unless the context clearly requires otherwise.
(1) "Alcohol fuel" means any alcohol made from a product other than petroleum or natural gas that is used alone or in combination with gasoline or other petroleum products for use as a fuel in self-propelled motor vehicles.
(2) (("Alternative fuel" means all products or energy sources used to propel motor vehicles, other than conventional gasoline, diesel, or reformulated gasoline. Alternative fuel includes, but is not limited to, liquefied petroleum gas, liquefied natural gas, compressed natural gas, biodiesel fuel, E85 motor fuel, fuels containing seventy percent or more by volume of alcohol fuel, fuels that are derived from biomass, hydrogen fuel, anhydrous ammonia fuel, nonhazardous motor fuel, or electricity, excluding onboard electric generation.
(3) )) "Biodiesel fuel" means the monoalkyl esters of long chain fatty acids derived from plant or animal matter that meet the registration requirements for fuels and fuel additives established by the federal environmental protection agency and standards established by the American society of testing and materials.
(((4) ))(3) "Diesel" means special fuel as defined in RCW 82.38.020, and diesel fuel dyed in accordance with the regulations in 26 C.F.R. Sec. 48.4082-1T as of October 24, 2005.
(((5) ))(4) "Director" means the director of agriculture.
(((6) ))(5) "E85 motor fuel" means ((an alternative ))motor fuel that is a blend of ethanol and hydrocarbon of which the ethanol portion is nominally ((seventy-five ))75 to ((eighty-five ))85 percent denatured fuel ethanol by volume that complies with the most recent version of American society of testing and materials specification D 5798.
(((7) ))(6) "Motor fuel" means any liquid or gaseous product used for the ((generation of power in an internal combustion engine used for the )) propulsion of a motor vehicle upon the highways of this state((, and any biodiesel fuel ))or that is intended for use for transportation purposes . Motor fuels containing ethanol may be marketed if either (a) the base motor fuel meets the applicable standards before the addition of the ethanol or (b) the resultant blend meets the applicable standards after the addition of the ethanol.
(((8) ))(7) "Nonhazardous motor fuel" means any fuel of a type distributed for use in self-propelled motor vehicles that does not contain a hazardous liquid as defined in RCW 19.122.020.
(((9) ))(8) "Renewable diesel" means a diesel fuel substitute produced from nonpetroleum renewable sources, including vegetable oils and animal fats, that meets the registration requirements for fuels and fuel additives established by the federal environmental protection agency in 40 C.F.R. Part 79 (2008) and meets the requirements of American society of testing and materials specification D 975.
Passed by the Senate March 10, 2026.
Passed by the House March 4, 2026.
Approved by the Governor March 23, 2026.
Filed in Office of Secretary of State March 24, 2026.Every fact on this page links to its source, starting with the official bill record.